1409304381 has 4 divisors (see below), whose sum is σ = 1879072512. Its totient is φ = 939536252.

The previous prime is 1409304373. The next prime is 1409304427. The reversal of 1409304381 is 1834039041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1409304381 - 2³ = 1409304373 is a prime.

It is a super-2 number, since 2×1409304381² = 3972277676611586322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1409304371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234884061 + ... + 234884066.

It is an arithmetic number, because the mean of its divisors is an integer number (469768128).

Almost surely, 2^1409304381 is an apocalyptic number.

It is an amenable number.

1409304381 is a deficient number, since it is larger than the sum of its proper divisors (469768131).

1409304381 is an equidigital number, since it uses as much as digits as its factorization.

1409304381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469768130.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 1409304381 is about 37540.7029902212. The cubic root of 1409304381 is about 1121.1617359359.

The spelling of 1409304381 in words is "one billion, four hundred nine million, three hundred four thousand, three hundred eighty-one".